diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/binding.cc | 29 | ||||
-rw-r--r-- | kernel/binding.h | 60 | ||||
-rw-r--r-- | kernel/rtlil.cc | 17 | ||||
-rw-r--r-- | kernel/rtlil.h | 11 |
4 files changed, 116 insertions, 1 deletions
diff --git a/kernel/binding.cc b/kernel/binding.cc new file mode 100644 index 000000000..621f7007b --- /dev/null +++ b/kernel/binding.cc @@ -0,0 +1,29 @@ +/* + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#include "binding.h" + +YOSYS_NAMESPACE_BEGIN + +RTLIL::Binding::Binding(RTLIL::IdString target_type, + RTLIL::IdString target_name) + : target_type(target_type), target_name(target_name) +{} + +YOSYS_NAMESPACE_END diff --git a/kernel/binding.h b/kernel/binding.h new file mode 100644 index 000000000..3b64e76da --- /dev/null +++ b/kernel/binding.h @@ -0,0 +1,60 @@ +/* -*- c++ -*- + * yosys -- Yosys Open SYnthesis Suite + * + * Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +#ifndef BINDING_H +#define BINDING_H + +#include "kernel/rtlil.h" + +YOSYS_NAMESPACE_BEGIN + +struct RTLIL::Binding +{ + // Represents a bind construct. + // + // The target of the binding is represented by target_type and + // target_name (see comments above the fields). + + Binding(RTLIL::IdString target_type, + RTLIL::IdString target_name); + + virtual ~Binding() {} + + // Return a string describing the binding + virtual std::string describe() const = 0; + +protected: + // May be empty. If not, it's the name of the module or interface to + // bind to. + RTLIL::IdString target_type; + + // If target_type is nonempty (the usual case), this is a hierarchical + // reference to the bind target. If target_type is empty, we have to + // wait until the hierarchy pass to figure out whether this was the name + // of a module/interface type or an instance. + RTLIL::IdString target_name; + + // An attribute name which contains an ID that's unique across binding + // instances (used to ensure we don't apply a binding twice to a module) + RTLIL::IdString attr_name; +}; + +YOSYS_NAMESPACE_END + +#endif diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index b414556f3..40b9b761a 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -20,6 +20,7 @@ #include "kernel/yosys.h" #include "kernel/macc.h" #include "kernel/celltypes.h" +#include "kernel/binding.h" #include "frontends/verilog/verilog_frontend.h" #include "frontends/verilog/preproc.h" #include "backends/rtlil/rtlil_backend.h" @@ -573,6 +574,8 @@ RTLIL::Design::~Design() { for (auto &pr : modules_) delete pr.second; + for (auto n : bindings_) + delete n; for (auto n : verilog_packages) delete n; for (auto n : verilog_globals) @@ -636,6 +639,12 @@ void RTLIL::Design::add(RTLIL::Module *module) } } +void RTLIL::Design::add(RTLIL::Binding *binding) +{ + log_assert(binding != nullptr); + bindings_.push_back(binding); +} + RTLIL::Module *RTLIL::Design::addModule(RTLIL::IdString name) { if (modules_.count(name) != 0) @@ -872,6 +881,8 @@ RTLIL::Module::~Module() delete pr.second; for (auto &pr : processes) delete pr.second; + for (auto binding : bindings_) + delete binding; #ifdef WITH_PYTHON RTLIL::Module::get_all_modules()->erase(hashidx_); #endif @@ -1923,6 +1934,12 @@ void RTLIL::Module::add(RTLIL::Process *process) process->module = this; } +void RTLIL::Module::add(RTLIL::Binding *binding) +{ + log_assert(binding != nullptr); + bindings_.push_back(binding); +} + void RTLIL::Module::remove(const pool<RTLIL::Wire*> &wires) { log_assert(refcount_wires_ == 0); diff --git a/kernel/rtlil.h b/kernel/rtlil.h index dc0d5234b..50707c0ae 100644 --- a/kernel/rtlil.h +++ b/kernel/rtlil.h @@ -72,6 +72,7 @@ namespace RTLIL struct MemWriteAction; struct SyncRule; struct Process; + struct Binding; typedef std::pair<SigSpec, SigSpec> SigSig; @@ -1033,6 +1034,8 @@ struct RTLIL::Design int refcount_modules_; dict<RTLIL::IdString, RTLIL::Module*> modules_; + std::vector<RTLIL::Binding*> bindings_; + std::vector<AST::AstNode*> verilog_packages, verilog_globals; std::unique_ptr<define_map_t> verilog_defines; @@ -1053,6 +1056,8 @@ struct RTLIL::Design } void add(RTLIL::Module *module); + void add(RTLIL::Binding *binding); + RTLIL::Module *addModule(RTLIL::IdString name); void remove(RTLIL::Module *module); void rename(RTLIL::Module *module, RTLIL::IdString new_name); @@ -1140,7 +1145,9 @@ public: dict<RTLIL::IdString, RTLIL::Wire*> wires_; dict<RTLIL::IdString, RTLIL::Cell*> cells_; - std::vector<RTLIL::SigSig> connections_; + + std::vector<RTLIL::SigSig> connections_; + std::vector<RTLIL::Binding*> bindings_; RTLIL::IdString name; idict<RTLIL::IdString> avail_parameters; @@ -1207,6 +1214,8 @@ public: RTLIL::ObjRange<RTLIL::Wire*> wires() { return RTLIL::ObjRange<RTLIL::Wire*>(&wires_, &refcount_wires_); } RTLIL::ObjRange<RTLIL::Cell*> cells() { return RTLIL::ObjRange<RTLIL::Cell*>(&cells_, &refcount_cells_); } + void add(RTLIL::Binding *binding); + // Removing wires is expensive. If you have to remove wires, remove them all at once. void remove(const pool<RTLIL::Wire*> &wires); void remove(RTLIL::Cell *cell); |